Initial Commit - Copy from Altus Metrum AltOS

altosuilib/AltosDeviceDialog.java

@@ -0,0 +1,190 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib_14;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public abstract class AltosDeviceDialog extends AltosUIDialog implements ActionListener {
+
+	private AltosDevice		value;
+	private JList<AltosDevice>	list;
+	private JButton			cancel_button;
+	private JButton			select_button;
+	public Frame			frame;
+	public int			product;
+	public JPanel			buttonPane;
+	private Timer			timer;
+	AltosDevice[]			devices;
+
+	public AltosDevice getValue() {
+		return value;
+	}
+
+	public abstract AltosDevice[] devices();
+
+	public void update_devices() {
+		AltosDevice selected = list.getSelectedValue();
+
+		devices = devices();
+		list.setListData(devices);
+		for (AltosDevice d : devices) {
+			if (d.equals(selected)) {
+				list.setSelectedValue(d, true);
+				break;
+			}
+		}
+		select_button.setEnabled(devices.length > 0);
+	}
+
+	public void add_bluetooth() { }
+
+	public AltosDeviceDialog (Frame in_frame, Component location, int in_product) {
+		super(in_frame, "Device Selection", true);
+
+		product = in_product;
+		frame = in_frame;
+		value = null;
+
+		cancel_button = new JButton("Cancel");
+		cancel_button.setActionCommand("cancel");
+		cancel_button.addActionListener(this);
+
+		select_button = new JButton("Select");
+		select_button.setActionCommand("select");
+		select_button.addActionListener(this);
+		select_button.setEnabled(false);
+		getRootPane().setDefaultButton(select_button);
+
+		list = new JList<AltosDevice>(devices) {
+				//Subclass JList to workaround bug 4832765, which can cause the
+				//scroll pane to not let the user easily scroll up to the beginning
+				//of the list.  An alternative would be to set the unitIncrement
+				//of the JScrollBar to a fixed value. You wouldn't get the nice
+				//aligned scrolling, but it should work.
+				public int getScrollableUnitIncrement(Rectangle visibleRect,
+								      int orientation,
+								      int direction) {
+					int row;
+					if (orientation == SwingConstants.VERTICAL &&
+					    direction < 0 && (row = getFirstVisibleIndex()) != -1) {
+						Rectangle r = getCellBounds(row, row);
+						if ((r.y == visibleRect.y) && (row != 0))  {
+							Point loc = r.getLocation();
+							loc.y--;
+							int prevIndex = locationToIndex(loc);
+							Rectangle prevR = getCellBounds(prevIndex, prevIndex);
+
+							if (prevR == null || prevR.y >= r.y) {
+								return 0;
+							}
+							return prevR.height;
+						}
+					}
+					return super.getScrollableUnitIncrement(
+						visibleRect, orientation, direction);
+				}
+			};
+
+		list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+		list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
+		list.setVisibleRowCount(-1);
+		list.addMouseListener(new MouseAdapter() {
+				 public void mouseClicked(MouseEvent e) {
+					 if (e.getClickCount() == 2) {
+						 select_button.doClick(); //emulate button click
+					 }
+				 }
+			});
+		JScrollPane listScroller = new JScrollPane(list);
+		listScroller.setPreferredSize(new Dimension(400, 80));
+		listScroller.setAlignmentX(LEFT_ALIGNMENT);
+
+		//Create a container so that we can add a title around
+		//the scroll pane.  Can't add a title directly to the
+		//scroll pane because its background would be white.
+		//Lay out the label and scroll pane from top to bottom.
+		JPanel listPane = new JPanel();
+		listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
+
+		JLabel label = new JLabel("Select Device");
+		label.setLabelFor(list);
+		listPane.add(label);
+		listPane.add(Box.createRigidArea(new Dimension(0,5)));
+		listPane.add(listScroller);
+		listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
+
+		//Lay out the buttons from left to right.
+		buttonPane = new JPanel();
+		buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
+		buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
+		buttonPane.add(Box.createHorizontalGlue());
+		buttonPane.add(cancel_button);
+		buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
+
+		if (AltosUILib.has_bluetooth)
+			add_bluetooth();
+
+		buttonPane.add(select_button);
+
+		//Put everything together, using the content pane's BorderLayout.
+		Container contentPane = getContentPane();
+		contentPane.add(listPane, BorderLayout.CENTER);
+		contentPane.add(buttonPane, BorderLayout.PAGE_END);
+
+		//Initialize values.
+		update_devices();
+		if (devices != null && devices.length != 0)
+			list.setSelectedValue(devices[0], true);
+		pack();
+		setLocationRelativeTo(location);
+
+		timer = new Timer(1000, new ActionListener () {
+				public void actionPerformed(ActionEvent evt) {
+					update_devices();
+				}
+			});
+
+		addComponentListener(new ComponentListener() {
+				public void componentShown(ComponentEvent e) {
+					timer.start();
+				}
+				public void componentMoved(ComponentEvent e) {
+				}
+				public void componentResized(ComponentEvent e) {
+				}
+				public void componentHidden(ComponentEvent e) {
+					timer.stop();
+				}
+			});
+
+	}
+
+	//Handle clicks on the Set and Cancel buttons.
+	public void actionPerformed(ActionEvent e) {
+		if ("select".equals(e.getActionCommand())) {
+			value = (AltosDevice)(list.getSelectedValue());
+			setVisible(false);
+		}
+		if ("cancel".equals(e.getActionCommand()))
+			setVisible(false);
+	}
+
+}